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354

(1837-1884)
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354^

Labrum tertia parte latius quam longius, clypei longitudinis
eoque dimidia parte angustius, transverse quadratum, angulis
rotundatis, convexiusculum, levissime rugulosum, foveolis
seti-geris majusculis, utrinque in foveam majorem confluentibus.

Antennæ capite duplo breviores, quam epistoma tertia
parte breviores, graciles, triarticulatæ; articulus primus
omnium longissimus, quater longior quam crassior, clavatus, sub
apicem et pone basin levissime constrictus; articulus secundus
clavatus, articulo præcedente tertia parte brevior eoque paulo
crassior, apice truncatus; articulus tertius minutus, conicus,
duplo longior quam crassior, articulo præcedente quintuplo
brevior eoque triplo tenuior.

Mandibulæ capite dimidia parte breviores. Pars
mandu-catoria supra et infra valde convexa, lævis, nitida,
impres-sione leviore a parte scissoria discreta, ceterum in illam
sensim conice transiens. Pars scissoria parte manducatoria
paulo brevior eaque dimidio ferme angustior, læviuscula, supra
convexa, media profunde foveolata, infra excavata; acies
ro-busta, mandibulæ dextræ bidens, dentibus validis, conicis,
in-cisura acuta sejunctis; acies mandibulæ sinistræ quadridens,
dente inferiore perminuto, reliquis validis, conicis, incisuris
acutis sejunctis. Dorsum mandibularum ad partern
manduca-toriam excavatum, rugosum, fossulatum, ad partern scissoriam
margine elevato terminatum. Mola dextra calce brevi, conica,
corona profunde excavata, margine omni acute elevato. Molæ
sinistræ lobus prior corona excavata, coronæ lobi posterioris
continua, margine priore peralto, robusto, angulo utroque in
dentem validiorem producto; lobus posterior corona profunde
excavata, margine omni acute elevato, superiore laminato.

Malæ maxillarum totæ discretæ. Maia exterior conica,
supra spissius, infra,parce setosa, unco terminata validissimo,
conice lanceolato, latere interiore leviter excavato. Maia
interior falcata, unco simili terminata, pectine utroque rariore.
Stipes palpiger exsertus, conice cylindricus, paulo crassior
quam longior. Palpi maxillares malam exteriorem quarta
ferme parte articuli terminalis superantes, triarticulati;
articulus primus cylindricus, stipite palpigero duplo longior eoque

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